Activity

Activity Description

Immediate Predecessors

Estimated Duration

(in weeks)

A

B

C

D

E

F

G

H

I

J

K

L

M

N

Excavate the area

Lay the foundation

Erect the rough wall

Put up the roof

Install the exterior plumbing

Install the interior plumbing

Put up the exterior siding

Paint the exterior

Do the electrical work

Erect the wallboard

Install the flooring

Paint the interior

Install the exterior fixtures

Install the interior fixtures

----

A

B

C

C

E

D

E, G

C

F, I

J

J

H

K, L

2

4

10

6

4

5

7

9

7

8

4

5

2

6

a.Using the PERT method, draw the network map.

b.Calculate the earliest start, earliest finish, latest start, latest finish, and slack times for each activity. Display results in a table format.

c.Calculate the critical path.

d.What is the total time required to complete the project if no delays occur?

Total = 10 Marks